| 1987-01-27 | 325807 | 42-331-33090 | COFFIELD, T. R. #17 | FOUR-C MANAGEMENT & INDUSTRIES | DRILL | 410 | |
| 1987-01-27 | 325806 | 42-331-33091 | COFFIELD, T. R. #18 | FOUR-C MANAGEMENT & INDUSTRIES | DRILL | 410 | |
| 1987-01-27 | 325805 | 42-331-33092 | COFFIELD, T. R. #19 | FOUR-C MANAGEMENT & INDUSTRIES | DRILL | 410 | |
| 1987-01-20 | 325504 | 42-331-33086 | EILAND #1 | HOLLUB, LAMBERT DRILLING COMPANY | DRILL | 3,300 | |
| 1987-01-19 | 325599 | 42-331-33088 | RIELLY, R. W. #1 | RIATA | DRILL | 1,400 | |
| 1987-01-19 | 325598 | 42-331-33087 | RIELLY, R. W. #2 | RIATA | DRILL | 1,400 | |
| 1987-01-15 | 325384 | 42-331-33082 | THREADGILL, ET AL #20 | NAVARRO EXPLORATION CO., INC. | DRILL | 700 | |
| 1987-01-15 | 325381 | 42-331-33084 | THREADGILL, ET.AL. #7 | NAVARRO EXPLORATION CO., INC. | DRILL | 700 | |
| 1987-01-14 | 325383 | 42-331-33085 | THREADGILL, ET AL #19 | NAVARRO EXPLORATION CO., INC. | DRILL | 700 | |
| 1987-01-14 | 325382 | 42-331-33083 | THREADGILL, ET.AL. #11 | NAVARRO EXPLORATION CO., INC. | DRILL | 700 | |
| 1987-01-12 | 325352 | 42-331-33080 | THREADGILL, ET AL #18 | NAVARRO EXPLORATION CO., INC. | DRILL | 700 | |
| 1987-01-12 | 325351 | 42-331-33081 | THREADGILL, ET AL #10 | NAVARRO EXPLORATION CO., INC. | DRILL | 700 | |
| 1987-01-09 | 324516 | 42-331-33079 | MEHAFFEY, L. C. -A- #1 | HEARTLAND RESOURCES, INC. | DRILL | 4,700 | |
| 1986-12-22 | 324417 | 42-331-80477 | TEXAS POWER & LIGHT #3 | GORDON, WILLARD D. | RECOMP | 1,400 | |
| 1986-12-16 | 324106 | 42-331-33078 | BUTTERY #3 | NELSON-DEAN ENERGY CORPORATION | DRILL | 1,650 | |
| 1986-12-11 | 324107 | 42-331-33077 | BUTTERY #4 | NELSON-DEAN ENERGY CORPORATION | DRILL | 1,650 | |
| 1986-11-25 | 323136 | 42-331-32462 | DARBY, LEE ROY #1B | HEARTLAND RESOURCES, INC. | RECOMP | 2,500 | |
| 1986-11-07 | 322856 | 42-331-33075 | DOSS/JENKINS #1 | WELLS DRILLING CO. | DRILL | 2,900 | |
| 1986-11-06 | 322725 | 42-331-33074 | ANDERSON #1 | MCKENZIE BROTHERS EXPL INC | DRILL | 2,600 | |
| 1986-10-29 | 322439 | 42-331-33073 | BROCKENBUSH "B" #61 | WILHITE PRODUCTIONS | DRILL | 950 | |
| 1986-10-22 | 321257 | 42-331-33236 | SVETLIK, ELBERT #2 | MACDONALD, HARRY | DRILL | 3,800 | |
| 1986-10-20 | 321955 | 42-331-30116 | MONTAGUE CATTLE CO. #2 | TEXAS ONSHORE ENERGY, INC. | RENTR | 6,268 | |
| 1986-10-20 | 321881 | 42-331-33070 | DAVIS - TRIGGS #1 | TARA PETROLEUM COMPANY | DRILL | 1,500 | |
| 1986-10-20 | 321878 | 42-331-33071 | BUTTERY #2 | NELSON-DEAN ENERGY CORPORATION | DRILL | 1,650 | |
| 1986-10-16 | 321817 | 42-331-33069 | COFFIELD-SANTE #1 | HOUSTON PET. CO. | DRILL | 6,200 | |
| 1986-10-16 | 321817 | 42-331-33069 | COFFIELD-SANTE #1 | HOUSTON PET. CO. | DRILL | 6,200 | |
| 1986-10-10 | 321396 | 42-331-33068 | UNDERWOOD #2 | HEARTLAND RESOURCES, INC. | DRILL | 3,000 | |
| 1986-09-29 | 320941 | 42-331-33067 | HOGAN/RYAN #2 | WELLS DRILLING CO. | DRILL | 1,100 | |
| 1986-09-18 | 320775 | 42-331-33066 | HOGAN/RYAN #1 | WELLS DRILLING CO. | DRILL | 1,000 | |
| 1986-09-15 | 320348 | 42-331-33065 | SCHNEEBELI, EARL #2 | HEARTLAND RESOURCES, INC. | DRILL | 3,100 | |
| 1986-09-10 | 320278 | 42-331-33064 | HERNDON-HENSLEY #2 | ERNEST OIL COMPANY | DRILL | 3,300 | |
| 1986-08-29 | 305800 | 42-331-33063 | WILSON, J. #1 | VOSKAMP EXPLORATION, INC. | DRILL | 4,000 | |
| 1986-07-18 | 304311 | 42-331-33062 | PARKER, DELTON #11 | RIATA | DRILL | 300 | |
| 1986-07-16 | 304168 | 42-331-33060 | ALDRIDGE, ROBBIE #10 | RIATA | DRILL | 400 | |
| 1986-07-16 | 304169 | 42-331-33061 | ALDRIDGE, ROBBIE #11 | RIATA | DRILL | 400 | |
| 1986-07-08 | 303897 | 42-331-33059 | BUTTERY #1 | NELSON-DEAN ENERGY CORPORATION | DRILL | 1,620 | |
| 1986-07-02 | 332464 | 42-331-33149 | MCCOY, GAYLON #1 | SIERRA MINERALS, INC. | DRILL | 3,400 | |
| 1986-06-30 | 303698 | 42-331-33058 | STEWART - BARNES #1 | BARNES OPERATING CO. | DRILL | 6,000 | |
| 1986-06-17 | 303308 | 42-331-31465 | UNDERWOOD #1 | HEARTLAND RESOURCES, INC. | OTHER | 3,000 | |
| 1986-06-09 | 302974 | 42-331-33057 | MCCRARY, D.A. & BRECK, WENDY #8 | MCCRARY OIL COMPANY | DRILL | 2,200 | |
| 1986-06-05 | 302941 | 42-331-33056 | MCCRARY, D. A. & BRECK, WENDY #7 | MCCRARY OIL COMPANY | DRILL | 2,200 | |
| 1986-05-29 | 302678 | 42-331-33055 | RIDDLE, GEORGE "B" #10 | RIDDLE, GEORGE OIL CO. | DRILL | 550 | |
| 1986-05-28 | 302589 | 42-331-33052 | RIDDLE, GEORGE "A" #18 | RIDDLE, GEORGE OIL CO. | DRILL | 550 | |
| 1986-05-28 | 302590 | 42-331-33053 | RIDDLE, GEORGE "A" #14 | RIDDLE, GEORGE OIL CO. | DRILL | 550 | |
| 1986-05-28 | 302599 | 42-331-33054 | RIDDLE, GEORGE "B" #8 | RIDDLE, GEORGE OIL CO. | DRILL | 550 | |
| 1986-05-27 | 302531 | 42-331-30742 | LUNSFORD, R. G. #1 | SAMSON RESOURCES COMPANY | RECOMP | 3,600 | |
| 1986-05-27 | 302533 | 42-331-30742 | LUNSFORD, R. G. #1 | SAMSON RESOURCES COMPANY | RECOMP | 3,600 | |
| 1986-05-07 | 301906 | 42-331-33051 | GILLIAM #1 | HEARTLAND RESOURCES, INC. | DRILL | 3,100 | |
| 1986-04-25 | 301503 | 42-331-33050 | CULPEPPER, H. P. #A1 | Y OIL COMPANY | DRILL | 1,000 | |
| 1986-04-14 | 301018 | 42-331-33049 | SMITH, H. W. #1 | WILSON SERVICE COMPANY | DRILL | 2,800 | |